Bitmain AntMiner S3+ 453Gh/s @ 0.78 J/Gh Digital miner The S3+ mines stand alone, needs no proxy server The customized heat sinks mounted to the hash boards, one box over S3+ to control the air flow, two fans mounted on both front and back ends that mean fans are able to work at lower speed to dissipate all heat easily. Running 24 hours a day with minimal downtime and lower noise levels Hardware Error got from the sample unit rate is as low as 0.01%, hundreds times better than some competing products High energy efficiency to save your investment on PSU and electricity bills